Effect of dietary supplementation with Chlorella sorokiniana meal on the growth performance, antioxidant status, and immune response of rainbow trout (Oncorhynchus mykiss)
文献类型： 外文期刊
作者： Chen, Weijun 1 ; Luo, Lin 3 ; Han, Danxiang 2 ; Long, Feiping 4 ; Chi, Qinglei 4 ; Hu, Qiang 2 ;
作者机构： 1.Henan Univ Sci & Technol, Coll Anim Sci & Technol, Luoyang 471000, Peoples R China
2.Chinese Acad Sci, Ctr Microalgal Biofuels & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
3.Beijing Fisheries Res Inst, Beijing Key Lab Fishery Biotechnol, Beijing 10068, Peoples R China
4.SDIC Biotech Investment Corp, SDIC Microalgae Biotechnol Ctr, Beijing 100142, Peoples R China
5.Shenzhen Univ, Inst Adv Study, Shenzhen 518060, Peoples R China
关键词： Microalgae; Chlorophyta; Oncorhynchus mykiss; Growth; Antioxidant status; Immune response
期刊名称：JOURNAL OF APPLIED PHYCOLOGY （ 影响因子：3.215； 五年影响因子：3.612 ）
ISSN： 0921-8971
年卷期： 2021 年 33 卷 5 期
页码：
收录情况： SCI
摘要： The aim of the study is to investigate whether dietary Chlorella sorokiniana supplementation could improve growth performance, antioxidant status, and immune response of Oncorhynchus mykiss. Three isonitrogenous (47%) and isolipidic (16.5%) diets supplemented with 0% (Control), 5% (5% CS), and 10% C. sorokiniana meal (10% CS) were assigned to O. mykiss (three replicates per diet, 30 fish in each replicate, initial body weight 165.24 +/- 0.46 g). The results indicated that O. mykiss fed with 5% CS diet had an increased feeding rate (FR), specific growth rate (SGR), and weight gain rate (WGR) compared to the control (P < 0.05). Dietary 5% or 10% C. sorokiniana supplementation significantly increased activity levels of superoxide dismutase (SOD) in the liver and catalase (CAT) in the liver and head kidney. In addition, dietary supplementation with 10% C. sorokiniana also significantly increased activity level of glutathione peroxidase (GPX) and simultaneously decreased contents of malondialdehyde (MDA) in the liver and head kidney. Furthermore, fish fed with 5% CS or 10 CS diet demonstrated increased activity level of lysozyme (LYZ), higher content of immunoglobulin M (IgM), and upregulated transcriptional expression of tumor necrosis factor alpha (TNF-alpha), interleukin 1 beta (IL-1 beta), hepcidin (HEP), and nuclear factor kappa-B (NF-kappa B) in the head kidney. Based on fish growth performance, antioxidant capacity, and immune response, dietary supplementation of 5% C. sorokiniana was recommended.
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